#A43723#A43723

#A43723 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.148 H 32.6°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A43723
RGB	rgb(164, 55, 35)
HSL	hsl(9, 65%, 39%)
HSV	hsv(9, 79%, 64%)
CMYK	cmyk(0%, 66.5%, 78.7%, 35.7%)
CIE-LAB	lab(39.15, 43.88, 36.27)
CIE-LCH	lch(39.15, 56.93, 39.58°)
OKLab	oklab(49.22% 0.1245 0.0796)
OKLCH	oklch(49.22% 0.148 32.6)
XYZ	xyz(16.9813, 10.7487, 2.7703)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43723 #2390A4

analogous

#A42350 #A43723 #A47823

triadic

#A43723 #23A437 #3723A4

tetradic

#A43723 #50A423 #2390A4 #7823A4

square

#A43723 #50A423 #2390A4 #7823A4

split-complementary

#A43723 #23A478 #2350A4

monochromatic

#3F150D #722618 #A43723 #D34A31 #DE7764

Accessibility & contrast

On white

6.67

#A43723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A43723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43723

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43723	#FFFFFF	#000000	##FFFFFF
##A43723	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D20

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#B51833

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a43723;
/* rgb */ color: rgb(164, 55, 35);
/* oklch */ color: oklch(49.2% 0.148 32.6);

Tailwind

colors: {
  custom: {
    50: '#c7735f',
    500: '#a43723',
    950: '#000000',
  },
}

SCSS

$custom: #a43723;
$custom-light: #c7735f;
$custom-dark: #000000;

JSON

{
  "hex": "#a43723",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 9.302,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49219,
    "c": 0.14772,
    "h": 32.6
  },
  "luminance": 0.10746
}

Semantic roles & 50–950 ramp

primary

#A43723

secondary

#60B4C3

accent

#CEE840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #A43723

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →